69348240 has 240 divisors, whose sum is σ = 259983360. Its totient is φ = 16450560.

The previous prime is 69348239. The next prime is 69348241. The reversal of 69348240 is 4284396.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (69348239) and next prime (69348241).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 69348195 and 69348204.

It is not an unprimeable number, because it can be changed into a prime (69348241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 290041 + ... + 290279.

It is an arithmetic number, because the mean of its divisors is an integer number (1083264).

Almost surely, 2^69348240 is an apocalyptic number.

69348240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69348240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129991680).

69348240 is an abundant number, since it is smaller than the sum of its proper divisors (190635120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69348240 is a wasteful number, since it uses less digits than its factorization.

69348240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 69348240 is about 8327.5590661370. The cubic root of 69348240 is about 410.8454495542.

The spelling of 69348240 in words is "sixty-nine million, three hundred forty-eight thousand, two hundred forty".